[release-11.6.4] Table: Fix cell border visibility (#107301)

Table: Fix cell border visibility (#101951)

fix(table): cell border visibility

(cherry picked from commit b224751374)

Co-authored-by: Ihor Yeromin <yeryomin.igor@gmail.com>

packages/grafana-ui/src/components/Table/RowsList.tsx

@@ -351,7 +351,9 @@ export const RowsList = (props: RowsListProps) => {
               rowStyled={rowBg !== undefined}
               rowExpanded={rowExpanded}
               textWrapped={textWrapFinal !== undefined}
-              height={Number(style.height)}
+              // VariableSizeList overrides calculated in buildCellContainerStyle height of the cell,
+              // so we need to subtract 1 to respect the row border
+              height={Number(style.height) - 1}
               getActions={getActions}
               replaceVariables={replaceVariables}
               setInspectCell={setInspectCell}